#1B483B#1B483B

#1B483B is a dark, muted teal. Relative luminance 0.052; OKLCH L 36.6% C 0.055 H 171.5°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX#1B483B
RGBrgb(27, 72, 59)
HSLhsl(163, 45%, 19%)
HSVhsv(163, 63%, 28%)
CMYKcmyk(62.5%, 0%, 18.1%, 71.8%)
CIE-LABlab(27.25, -19.16, 3.19)
CIE-LCHlch(27.25, 19.42, 170.55°)
OKLaboklab(36.6% -0.0541 0.0081)
OKLCHoklch(36.6% 0.055 171.5)
XYZxyz(3.5584, 5.1832, 4.9498)
Luminance0.0518 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B483B #481B28
analogous
#1B4825 #1B483B #1B3F48
triadic
#1B483B #3B1B48 #483B1B
tetradic
#1B483B #251B48 #481B28 #3F481B
square
#1B483B #251B48 #481B28 #3F481B
split-complementary
#1B483B #481B3F #48251B
monochromatic
#081612 #0A1B17 #1B483B #2C755F #3CA184

Accessibility & contrast

On white

10.31
#1B483B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.04
#1B483B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B483B
10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B483B#FFFFFF#000000##FFFFFF
##1B483B1.0010.312.0410.31
#FFFFFF10.311.0021.001.00
#0000002.0421.001.0021.00
##FFFFFF10.311.0021.001.00

Color blindness preview

Protanopia (red-blind)
#46433A
Deuteranopia (green-blind)
#3F3E3C
Tritanopia (blue-blind)
#034944
Achromatopsia (no color)
#404040

Design tokens & code

CSS
--color: #1b483b;
/* rgb */ color: rgb(27, 72, 59);
/* oklch */ color: oklch(36.6% 0.055 171.5);
Tailwind
colors: {
  custom: {
    50: '#5c7b70',
    500: '#1b483b',
    950: '#000000',
  },
}
SCSS
$custom: #1b483b;
$custom-light: #5c7b70;
$custom-dark: #000000;
JSON
{
  "hex": "#1b483b",
  "rgb": {
    "r": 27,
    "g": 72,
    "b": 59
  },
  "hsl": {
    "h": 162.667,
    "s": 45.455,
    "l": 19.412
  },
  "oklch": {
    "l": 0.36597,
    "c": 0.0547,
    "h": 171.5
  },
  "luminance": 0.05184
}

Semantic roles & 50–950 ramp

primary
#1B483B
secondary
#7E4153
accent
#5378D5
background
#F5F7F6
surface
#E9EEEC
border
#C5C9C7
text
#040907
muted
#797B7A

Preview Lab

Preview with #1B483B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#1B483B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva